Matching Pairs Chemical NomenclatureOnline version Naming various chemical compounds leveled for AP Chemistry by Andrew Guertler 1 HgO 2 AlI₃ 3 Li₃N 4 FeBr₃ 5 FeBr₂ 6 NaBr 7 BO₃ 8 barium sulfite 9 barium sulfate 10 MnO₂ 11 ArF₅ 12 mercury (I) selenide 13 B₂O₃ 14 AsF₅ 15 potassium dichromate 16 potassium chromate 17 potassium manganate 18 mercury (II) selenide 19 Hg₂O 20 potassium permanganate manganese (IV) oxide iron (II) bromide boron trioxide BaSO₃ K₂MnO₄ Aluminum Iodide K₂Cr₂O₇ lithium nitride iron (III) bromide KMnO₄ diboron trioxide mercury (I) oxide mercury (II) oxide BaSO₄ argon pentaflouride sodium bromide K₂CrO₄ Hg₂Se HgSe₂ arsenic pentaflouride